Gaya APA

Hardiyatmo, H, C. (2019). Mekanika Tanah 2 (cet.2.ed.6). YOGYAKARTA: Gadjah Mada University Press.

Gaya MLA

Hardiyatmo, Hary, Christady. "Mekanika Tanah 2". cet.2.ed.6 YOGYAKARTA: Gadjah Mada University Press, 2019. Text.